Sol 4.5/4.6

Why does the Earth have seasons?

• The temperature of the sun changes.
• Earth rotates on its axis.
• Earth's axis is tilted as it moves around the sun.
• The distance between Earth and the sun changes.

What season is the Northern Hemisphere in at position 4?

• Winter
• Spring
• Summer
• Fall

What season is the Southern Hemisphere in at position 1?

• Winter
• Spring
• Summer
• Fall

What is the difference between revolution and rotation of the earth and the moon?

• The earth revolves about its axis and the moon rotates around the earth
• The earth rotates about its axis and the moon revolves around the earth
• The earth rotates about the sun and the moon revolves around the earth.  
• The earth revolves around the moon and the moon rotates around the sun.

Day and night is caused by the _____________ of earth on its axis.

• revolution
• orbit
• rotation
• tilt

As the Earth travels around the sun, this tilt causes different areas of the Earth’s surface to get different amounts of daylight at different times of the year. The angle of the Sun’s rays to the surface also causes areas to have more or less of the Sun’s energy. This causes the ________.

• months
• day and night
• seasons
• years

The moon seems to change shape from day to day in a cycle that lasts about a month as it goes through _.

• revolutions
• phases
• rotations
• eclipses

As the moon's shape appears to get smaller, we say that the moon is _.

• swelling
• waxing
• waning
• disappearing

Which moon phase is when you can't see the moon at all?

• Waning crescent
• Full moon
• Waxing gibbous
• New moon

Phases of the moon in which the moon appears to be getting larger are referred to as _.

• waxing
• waning
• new
• eclipse